Alert archive / Mississippi / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 92, NWS Jackson, MS

March 7, 1998Lawrence County, Simpson County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Mar 7, 1998, 5:01 AM CST for Lawrence County, Simpson County, Mississippi. It was in force for 44 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Mar 7, 1998, 5:01 AM CST (11:01 UTC)
Expired
Mar 7, 1998, 5:45 AM CST
In force
44 min
Issued by
NWS Jackson, MS
Area
Whole counties

Counties Lawrence County, MS, Simpson County, MS

What was reported inside it

TimeReportWhereRemark
Mar 7, 5:30 AM CSTHail 1Pinola, MS

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 11.0 hours before the alert went out and 66 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Jackson, MS at 00:00Z on 1998-03-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 401 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Jackson, MS at 00:00Z on 1998-03-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 62 square meters per square second.1939587897117136Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
401 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
590 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
62 m²/s²
0-3 km storm-relative helicity
96 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.6

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

644 
WUUS1 KJAN 071102 RRA
SVRJAN
MSC127-077-071145-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE JACKSON MS
501 AM CST SAT MAR 7 1998
 
THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  545 AM CST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN CENTRAL MISSISSIPPI
 
   ...WESTERN SIMPSON COUNTY
 
IN SOUTH CENTRAL MISSISSIPPI
 
   ...NORTHERN LAWRENCE COUNTY
 
AT 459 AM CST DOPPLER RADAR IN JACKSON INDICATED A SEVERE THUNDERSTORM
JUST ENERING NORTHERN LAWRENCE COUNTY WEST OF SONTAG MOVING NORTHEAST
NEAR 40 MPH. THIS STORM WILL MOVE THROUGH THE NEW HEBRON AND SHIVERS
AREAS BY 520 AM. THIS STORM HAS A HISTORY OF PRODUCING LARGE HAIL.
 
SEVERE THUNDERSTORMS PRODUCE WIND IN EXCESS OF 55 MPH...LARGE
HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.  MOVE TO AN
INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS.
<
68
 
 
&

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Local storm report, Mar 7, 12:26 AM CST, 4 hours 35 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSON MS
1226 AM CST SAT MAR 07 1998

TIME(CST)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....PARISH/COUNTY LOCATION....

1050 PM    6 SW NOXAPATER            MS   .75 INCH HAIL
03/06/98   WINSTON                        REPORTED BY WINSTON S. O.

1152 PM    4 E STARKVILLE            MS   1 INCH HAIL
03/06/98   OKTIBBEHA                      REPORTED BY OKTIBBEHA S. O.
Local storm report, Mar 7, 12:26 AM CST, 4 hours 35 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSON MS
1226 AM CST SAT MAR 07 1998

TIME(CST)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....PARISH/COUNTY LOCATION....

1050 PM    6 SW NOXAPATER            MS   .75 INCH HAIL
03/06/98   WINSTON                        REPORTED BY WINSTON S. O.

1152 PM    4 E STARKVILLE            MS   1 INCH HAIL
03/06/98   OKTIBBEHA                      REPORTED BY OKTIBBEHA S. O.

The office that day

Everything else NWS Jackson, MS issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 6, 10:30 PM CSTSevere Thunderstorm WarningJANNeshoba45 min
Mar 6, 10:39 PM CSTSevere Thunderstorm WarningJANWinston51 min
Mar 6, 11:20 PM CSTSevere Thunderstorm WarningJANOktibbeha55 min
Mar 7, 12:25 AM CSTSevere Thunderstorm WarningJANWarren50 min
Mar 7, 2:00 AM CSTSevere Thunderstorm WarningJANLeflore45 min
Mar 7, 3:09 AM CSTSevere Thunderstorm WarningJANCopiah51 min
Mar 7, 3:52 AM CSTSevere Thunderstorm WarningJANSimpson53 min
Mar 7, 4:10 AM CSTSevere Thunderstorm WarningJANCovington, Jefferson Davis50 min
Mar 7, 4:25 AM CSTSevere Thunderstorm WarningJANSmith50 min
Mar 7, 4:35 AM CSTSevere Thunderstorm WarningJANFranklin, Lincoln40 min
Mar 7, 4:40 AM CSTSevere Thunderstorm WarningJANLamar50 min
Mar 7, 4:51 AM CSTSevere Thunderstorm WarningJANForrest54 min
Mar 7, 5:20 AM CSTSevere Thunderstorm WarningJANFranklin40 min
Mar 7, 5:28 AM CSTSevere Thunderstorm WarningJANSimpson47 min
Mar 7, 5:51 AM CSTSevere Thunderstorm WarningJANLincoln54 min
Mar 7, 6:11 AM CSTSevere Thunderstorm WarningJANHinds49 min
Mar 7, 6:28 AM CSTSevere Thunderstorm WarningJANWarren47 min
Mar 7, 6:43 AM CSTSevere Thunderstorm WarningJANMadison, Rankin47 min
Mar 7, 7:02 AM CSTSevere Thunderstorm WarningJANYazoo43 min
Mar 7, 7:23 AM CSTSevere Thunderstorm WarningJANIssaquena52 min
Mar 7, 7:51 AM CSTSevere Thunderstorm WarningJANSharkey24 min
Mar 7, 10:43 AM CSTSevere Thunderstorm WarningJANAdams47 min
Mar 7, 11:20 AM CSTSevere Thunderstorm WarningJANFranklin25 min
Mar 7, 12:35 PM CSTSevere Thunderstorm WarningJANLincoln40 min
Mar 7, 12:40 PM CSTSevere Thunderstorm WarningJANClaiborne, Jefferson50 min
Mar 7, 12:49 PM CSTTornado WarningJANJefferson41 min
Mar 7, 1:04 PM CSTSevere Thunderstorm WarningJANFranklin26 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 1998Every severe thunderstorm warning in 1998

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.